Color filter substrate, TFT array substrate, manufacturing method of the same, and liquid crystal display panel
a technology of color filter substrate and manufacturing method, which is applied in the direction of semiconductor devices, coatings, instruments, etc., can solve the problems of adverse influence of display performance of some display panel units, and achieve the effect of ensuring the display performance of display panel units of different sizes at the same tim
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embodiment 1
[0035]Hereinafter, a manufacturing method of a color filter substrate according to an embodiment of the invention will be explained with reference to FIG. 2 to FIG. 9. As shown in FIG. 2, the method comprises the following steps.
[0036]S201: coating a common electrode layer on a substrate formed with black matrix and color filter layer.
[0037]As shown in FIG. 3, the common electrode layer 22 is deposited on the substrate 20 formed with black matrix and color filter layer 21 by a magnetron sputtering method or a thermal evaporation method. For example, the common electrode layer 22 is transparent and is formed by ITO (Indium Tin Oxide).
[0038]S202: utilizing a half-tone mask or a gray-tone mask to perform a patterning process on the common electrode layer. so as to obtain common electrodes of different thicknesses for color filter substrate units of different sizes.
[0039]First, as shown in FIG. 4, a photoresist layer 23 is coated on the common electrode layer 22.
[0040]Next, as shown in ...
embodiment 2
[0048]Hereinafter, a manufacturing method of a TFT array substrate according to an embodiment of the invention will be explained with reference to FIG. 10 to FIG. 18. As shown in FIG. 10, the method comprises the following steps.
[0049]S1001: coating a pixel electrode layer 37 on a substrate 30 formed with a gate line, a gate electrode 31, a gate insulation layer 32, a semiconductor active layer 33, a data line, a source electrode 34, a drain electrode 35 and a protective layer 36, as shown in FIG. 11.
[0050]S1002: utilizing a half-tone mask or a gray-tone mask to perform a patterning process on the pixel electrode layer, so as to obtain pixel electrodes of different thicknesses for array substrate units of different sizes.
[0051]As shown in FIG. 12, a photoresist layer 38 is firstly coated on the pixel electrode layer 37.
[0052]Next, as shown in FIG. 13, the photoresist layer 38 is exposed by a half-tone mask or a gray-tone mask 39.
[0053]Then, as shown in FIG. 14, a photoresist-complet...
embodiment 3
[0061]A LCD panel is provided according to the embodiment of the invention. As shown in FIG. 19, the LCD panel comprises a color filter substrate 40 and a TFT array substrate 50 bonded with each other and a liquid crystal layer 60 sandwiched between the color filter substrate 40 and the TFT array substrate 50. The LCD panel has a first-size LCD panel unit A and a second-size LCD panel unit B. The color filter substrate of each of the LCD panel units A and B comprises a common electrode 22, and the thickness of the common electrode 22 of the first-size LCD panel unit A is different from the thickness of the common electrode 22 of the second-size LCD panel unit B.
[0062]In this way, as shown in FIG. 19, the cell gap of the LCD panel unit A is smaller than the cell gap of the LCD panel unit B. Therefore, the display panel units of different cell gaps can be obtained on the same LCD panel. Therefore, the display panel units of different sizes on the same display panel can have their desi...
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